When you take a shower and then screw (have sex with) your sibling like theres no tomorrow! However, for a West Virginia Saturda Night Party you must not take a shower and both siblings must recive anal (could be with fingers or private parts).
I was so frikin' horny last night and since im single and have no girlfriend I had a west virginia saturday night!
by BillyMaysIsNowAZombie August 24, 2009

When one spread honey on ones dick, then pours poprocks on over the honey. Once they start popping one performs Anal Sex on their partner. The popping of the pop rocks causes the the nerves and muscles of the anus to relax and the insewing rush of fecal matter is known as the SATURDAY NIGHT STREET CAR.
by Gendrix November 16, 2010

Any given Saturday when your whole crew gets absolutely wasted. The phrase is also coined to require a buddy to down their beer if they cannot recite the phrase properly on command.
by Ripp March 1, 2021

by Yeetermcbeater March 1, 2023

On this day every Male must kiss at least one non related female and every female must kiss at least one non related Male and then grab their ass as this day is Britain’s ass grab day .
by Definition god 788 April 13, 2019

Noun/Adjective; To describe a sexual event regarding either a MMF 3som with 2 almost gay men, a first time fingering experience, or any general experience relating to a... certain vagina.
by anonymous January 31, 2023

by Unknown person . June 28, 2019
